ᴅᴀɴɪᴇʟ ᴍɪᴇꜱꜱʟᴇʀ @danielmiessler.bsky.social AI / Security Researcher and Entrepreneur.
Founder/CEO of Unsupervised Learning.
Building AI that upgrades humans.
@nullbytes.bsky.social @nullbytes.bsky.social TBA lol
Denis Laskov 🇮🇱 @it4sec.bsky.social Cybersecurity & Technology Leader, Advisor, Hacker, Father.
ex-EY, ex-Mercedes-Benz, ex-IBM, ex-IDF.
This is my personal account, no work stuff here.
Me Online: https://laskov.net
ChiefGyk3D @chiefgyk3d.com #Cybersecurity and #InfoSec by Trade and content creator by night for #Tech, Cybersecurity, #IT, #Linux, #AmateurRadio, and #GamingonLinux
Twitch | YouTube | TikTok | Mastodon
CISSP
Socials and Tipping: https://links.chiefgyk3d.com/socials
#OpenSource
TechCrunch @techcrunch.com Technology news and analysis with a focus on founders and startup teams.
Got a tip? http://techcrunch.com/tips
Proton @proton.me Choose a better internet where privacy is the default. Start protecting your personal information online with Proton Mail, Proton VPN, Proton Drive, Proton Pass, Proton Wallet, and Lumo: https://proton.me/
Pirate Software @piratesoftware.live Game Dev - Streamer 💛 Go Make Games - https://develop.games 💜 Ferret Rescue - https://ferrets.live 💛 Business: Pirate@sidequestmedia.com
Internet Archive @archive.org Internet Archive is a non-profit research library preserving web pages, books, movies & audio for public access. Explore web history via the Wayback Machine. 
AT Protocol Developers @atproto.com Social networking technology created by Bluesky.
Developer-focused account. Follow @bsky.app for general announcements!
Bluesky API docs: docs.bsky.app
AT Protocol specs: atproto.com
The Verge @theverge.com Covering life in the future
Subscribe here: https://www.theverge.com/subscribe
Lesley Carhart @hacks4pancakes.com I am eminently qualified to speak from experience about a variety of dumpster fires.
ICS DFIR at Dragos, martial artist, marksman, humanist, level 14 Neutral Good rogue, USAF retired. I post *very serious* things about infosec. Thoughts my own. Enby. 🏳️🌈
Alyssa Miller 🦄👩✈️ @alyssam-infosec.com Hacker, CISO, and commercial pilot. Certified Bluesky Elder. Author and International Speaker, Chief advocate of #DoBetterBeBetter
Compassion and empathy are traits in short supply but necessary to make this world a better place.
alyssasec.com
Signal @signal.org Signal is a nonprofit end-to-end encrypted communications app. Privacy isn’t an optional mode, it’s the way Signal works. Every message, every call, every time. https://signal.org/donate/
Killed by Google @killedbygoogle.com Disappointment as a Service by @codyogden.com (they/he)
👋🔪💀
The Matrix.org Foundation @matrix.org Matrix is an open network for secure, decentralised communication. Please support at matrix.org/support
adafruit @adafruit.com Engineer - Founder of Adafruit - Brooklyn, NY USA - Manufacturer, open-source hardware, certified Minority and Woman-owned Business Enterprise (M/WBE) https://adafruit.com - support https://forums.adafruit.com & order/customer help support@adafruit.com
Jack Sweeney @jacks.grndcntrl.net Aviation, Space and ElonJet
@elonjet.net
https://grndcntrl.net/
DEF CON @defcon.bsky.social The world’s premier hacker conference. Serving the global hacker community since 1993.
Defcon.org
Forum.defcon.org
Defcon.social
Ars Technica @arstechnica.com Original news, reviews, analysis of tech trends, and expert advice on the most fundamental aspects of tech.
Grafana @grafana.bsky.social Open and composable observability.
https://grafana.com/
nixCraft @cyberciti.biz Enjoy Linux & Unix-like systems, open-source software, and programming/compsci? Into Sysadmin & DevOps? Follow us to make the most of your IT career! Discover new tools and apps daily, plus a dose of humor ⤵️
https://www.cyberciti.biz
GrapheneOS @grapheneos.org Open source privacy and security focused mobile OS with Android app compatibility.
https://grapheneos.org/
Liam @ GamingOnLinux @gamingonlinux.com News + Opinions. UK based. One person mostly.
Support on Patreon: http://patreon.com/gamingonlinux
https://www.gamingonlinux.com (official account).
Email tips: contact@gamingonlinux.com
ElissaBeth @elissa.bsky.social Mostly Infosec Posts. Formerly at Brave, other privacy/security startups. Published the anthology "Lean Out" in 2015.
Running a Security Firm, @ me for a consultation.
Raspberry Pi @raspberrypi.com We make very small computers which you can buy from just $4. We are also the literal coolest.
Make It Hackin @makeithackin.bsky.social Maker, Hacker, Engineer.
TikTok/YouTube/Snapchat/Instagram and other links below:
https://beacons.ai/MakeItHackin
Mastodon -> Bluesky user lookup/follow app:
https://skeeter.streamlit.app/
Tuta @tuta.com Tuta is a secure email, calendar and drive provider with quantum-safe encryption. Open source & forever free! 🔒
Visit us 👉 tuta.com
#TurnONprivacy
Debian @debian.bsky.social The Universal Operating System; items posted automatically from https://micronews.debian.org and https://bits.debian.org.
https://www.debian.org
8Bit @memoriesin8bit.bsky.social Game developer / Saturday Morning Marble Game / #DDGravityDive / looking for a new #gamedev gig / DRM-Freedom fighter / Drinker of lotsa coffee / Onions are my own
https://8bit-memories.com
https://mastodon.gamedev.place/@memoriesin8bit
shellsharks @shellsharks.com Infosec researcher | more about me @ https://shellsharks.com
@shellsharks@shellsharks.social on Mastodon
CajunGeek @cajungeek.tv #AuDHD PTSD | Air Force #Veteran | Gamer & #Streamer in da bayou!
Twitch | YouTube | Tiktok
#destiny2creator #ubisoftcreator
Supporter of @StackUp.org
Socials: cajungeek.tv
Email: CajungeekTV@outlook.com
#Destiny2 #FinalFantasy
Martin Guay🍁 @martinguay.cryovex.com 🍁 Ottawa | 🏳️🌈 Top/Vers/Poly/Demi |
Tech, gadgets & reviews @ CRYOVEX
*18+ NSFW content*
🔗 cryovex.com/martin-guay-bio-social-media
✉️ business-inquiry@cryovex.com
#GayBear #GayChub #Tech #Ottawa
System76 Blog @blog.system76.com.web.brid.gy Official System76 Blog
[bridged from https://blog.system76.com/ on the web: https://fed.brid.gy/web/blog.system76.com ]
p(👻) @0x0.boo Security. People matter most.
◇SatyrDiamond◇ @satyrdiamond.bsky.social Autistic Guy. http://linktr.ee/satyrdiamond
fedi: @SatyrDiamond@mastodon.cloud
discord: discord.gg/ReZBqqMhFR
Flipboard Tech Desk @techdesk.flipboard.social.ap.brid.gy We bring you the latest tech news, deep dives and perspectives on topics like AI, social media and innovations. Posts are handpicked by Flipboard's editorial team […]
🌉 bridged from ⁂ https://flipboard.social/@TechDesk, follow @ap.brid.gy to interact
Canonical @canonicalltd.bsky.social Ubuntu is an open source software operating system that runs from the desktop, to the cloud, to all your internet connected things.
#Canonical #Ubuntu #Linux
shellsharks @shellsharks.shellsharks.social.ap.brid.gy Infosec researcher | Indieweb enthusiast | Find me @ https://shellsharks.com
#infosec #cybersecurity #tech #indieweb searchable
Profile picture: A red shark […]
🌉 bridged from ⁂ https://shellsharks.social/@shellsharks, follow @ap.brid.gy to interact
InfoSecSherpa 🏔️ Lake Ontario 🚣♀️ @infosecsherpa.bsky.social #Librarian turned #InfoSec & #DataPrivacy practitioner. #Philly area hoagie mouth. InfoSecSherpa and Sherpa Intelligence: Your Guide Up a Mountain of Information! Portfolio: https://linktr.ee/infosecsherpa #GoBirds
ewan @ewancroft.uk Anglo-Scottish pagan, poet, and programmer with an entirely reasonable enthusiasm for werewolves. Happily European, learning Gàidhlig na h-Alba.
Patrick Howell O’Neill @patrickhowelloneill.com Journalist at Bloomberg News in DC. Signal: @howelloneill.01, email: patoneill1@bloomberg.net https://www.bloomberg.com/authors/AXb8dLPHBFc/patrick-howell-oneill
Meredith Whittaker @meredithmeredith.bsky.social President of Signal, Chief Advisor to AI Now Institute 
SwiftOnSecurity @swiftonsecurity.com computer security person. former helpdesk
Pwnallthethings @pwnallthethings.bsky.social Just thinking out loud.
Katie Moussouris (she/her/she-hulk/she-ra)🌻 @k8em0.bsky.social Founder & CEO LutaSecurity @payequitynow MIT&Harvard visiting scholar, @MasonNatSec fellow, 1/2 Chamoru, 1/2 Greek all-American hacker
Alex Stamos @stamos.org CPO/CSO of Corridor.dev, teaching at Stanford.
Zack Whittaker @zackwhittaker.com Security editor, TechCrunch
Signal: zackwhittaker.1337
My stories: techcrunch.com/author/zack-whittaker
My newsletter/blog: this.weekinsecurity.com
MITRE ATT&CK @attack.mitre.org MITRE ATT&CK® - A knowledge base for describing the behavior of adversaries. Replying/Following/Reposting ≠ endorsement.
The Shadowserver Foundation @shadowserver.bsky.social Our mission is to make the Internet more secure by bringing to light vulnerabilities, malicious activity and emerging threats. Join our Alliance!
https://shadowserver.org/partner
Matthew Garrett @mjg59.eicar-test-file.zip Former biologist. Actual PhD in genetics. Security, OS security teaching at https://www.ischool.berkeley.edu.
Blog: https://codon.org.uk/~mjg59/blog
Signal: @mjg.59
He/him
Opinions expressed here are mine, not my employer's
TrendAI Zero Day Initiative @thezdi.bsky.social TrendAI Zero Day Initiative™ (ZDI) is a program designed to reward security researchers for responsibly disclosing vulnerabilities.
Katelyn 🅅 Medusfour @medus4.com Activist, Hacker cosplayer, Artist. Data economy abolitionist.
@cdc_pulpit Sinfluencer, Head of Humanity @ Veilid, designer of weird shirts at hack.xxx
I love gross terrifying things. Because I am one
Luca @securescientist.eu Dad, husband, cybercrime prof with a kink for attacker economics. Head of the Threat Analysis group @tue.nl. 🇳🇱 by profession, 🇮🇹 by nature, 🇪🇺 by conviction. Optimistic cynicism is my thing. Love most. 🌏🔗securescientist.eu
Jamie Brummell @jamieb.com Dad • Gamer • Humanist • InfoSec • Cyber • Founder & CTO @socura.co.uk • MDR / SOC • Detection Engineering • DFIR
🌐 jamieb.com
📍 Buckinghamshire, UK
evacide @evacide.bsky.social Director of Cybersecurity @eff.org
Co-founder of @stopstalkerware.bsky.social
These opinions are my own, not my employer's
I did a TED talk once
Barnacules @barnaculesnerdgasm.com Official personal BlueSky account for Barnacules the producer of Barnacules Nerdgasm™️ on YouTube and Twitch!
Johnny Ohio @sollus.social GitOps
Physical Media Movie collector
Indycar Fan
Skeeting into the ether.
Skyler White Defender
I also periodically delete my skeets.
Banner pic credit: Zdzislaw Beksinski
Smashing Security podcast @smashingsecurity.com Funny award-winning weekly podcast about hacking, cybercrime, and privacy with @grahamcluley.com.
https://www.smashingsecurity.com
👕 Merch https://www.smashingsecurity.com/store
Patreon: https://www.smashingsecurity.com/plus
Fonephreak02 @fonephreak02.2600.blue Tech content etc. mixed, pan, audhd, I tinker on whatever hits my fancy. Electronics, mechanics and old telecommunications things mostly.
That dude on tiktok.
Tanisha L. Turner @cybersecdiva.bsky.social Cybersecurity Professional | Malware Researcher | Threat Hunter | <Detection> | SecOps
All Views expressed are my own.
Graylog @graylog.bsky.social 🌍 Trusted Threat Detection & Incident Response solutions. Experience the difference with our unmatched capabilities. #SIEM #APISecurity #LogManagement #InfoSec
Jeff Geerling @jeffgeerling.com Father, author, developer, maker. Sometimes called "an inflammatory enigma". #stl #ansible #k8s #raspberrypi #mac #crohns www.jeffgeerling.com
Graham Cluley @grahamcluley.com Award-winning #cybersecurity keynote speaker, writer, podcaster | Host of multi-award-winning @smashingsecurity.com podcast.
❤️ #DoctorWho, #Beatles, #Chess
He/him
🌐 https://grahamcluley.com
🎙️ https://www.smashingsecurity.com
seeknay @seeknay.com 💻 Identity & Collaboration Engineer 🎮 Gamer ☕️ Coffee Drinker 🍕Self-Proclaimed Pizza Connoisseur 🎧 EDM Lover 🖖 StarTrek Fan
Electronic Frontier Foundation @eff.org We're the Electronic Frontier Foundation. We're a nonprofit that fights for your privacy and free speech online. Find all of EFF's social media accounts at eff.org/social.
404 Media @404media.co it's a website (and a podcast, and a newsletter) about humans and technology, made by four journalists you might already know. like and subscribe: 404media.co
WIRED @wired.com For Future Reference.
Sign up for our newsletters: https://wrd.cm/newsletters
Find our WIRED journalists here: https://go.bsky.app/Boj9b5E
Jakoby @iamjakoby.bsky.social 
Rich Mogull @rmogull.com Cloud security, hacker, run/bike/drown, TK11940 in the 501st, itinerant disaster paramedic, private pilot, and other stuff. @rmogull on Signal
Chief Analyst at CSA. CEO of Securosis. Both totally made up titles.
https://slaw.securosis.com
Phillip Wylie @phillipwylie.bsky.social Offensive Security Professional | Phillip Wylie Show Podcast Host | The Pentester Blueprint coauthor | TribeOfHackers Red Team | https://linktr.ee/phillipwylie
Parrotassassin15 @parrotassassin15.bsky.social Names parrot 🦜
Founder of https://parrot-ctfs.com
Jonathan Boring @jonathanboring.bsky.social Tech Creator
Sam Rad 🔮 @samradofficial.bsky.social 𝗙𝗨𝗧𝗨𝗥𝗜𝗦𝗧 & 𝗔𝗡𝗧𝗛𝗥𝗢𝗣𝗢𝗟𝗢𝗚𝗜𝗦𝗧
• Technology, Society, Geopolitics
• Keynote Speaker & Author
• Student of Humanity ✨
🌐 http://Sam-Rad.com
Lukas Weichselbaum @webappsec.dev Leading Google's web security team.
Passionate about web security and making secure-by-default web development the norm. Contributed to web platfom security features like CSP, Fetch Metadata, COOP and Trusted Types.
TheBeardOfKnowledge @thebeardofknow.bsky.social 52K on Tiktok, New to BlueSky.
Sharing my 25+ years IT knowledge.#it #networking #pc #pcrepair #gaming #lowvoltage #tech #techsupport #helpdesk #funny
Liran Tal @lirantal.com 🦄 Node.js Secure Coding: http://nodejs-security.com
🌟 @GitHub Star
🏅 @OpenJS Pathfinder award for Security
🥑 DevRel at @snyksec
Internet Engineering Task Force @ietf.org The overall goal of the IETF is to make the Internet work better by producing open technical standards.
OWASP® Foundation @owasp.org We improve the security of apps with community-led open source projects, 260 local chapters, and tens of thousands of members worldwide. Famous for OWASP Top 10
Unofficial Hackaday Feed @hackaday-feed.bsky.social Unofficial feed from https://hackaday.com/
PortSwigger @portswigger.net We are a leading provider of software and learning on web security. We make Burp Suite and the Web Security Academy.
Burp Suite @burpsuite.bsky.social Burp Suite is the leading software for web security testing.
Black Hat @blackhatevents.bsky.social The world's premier Technical Cybersecurity Conference Series
DEF CON Parrot🦜 @defconparrot.bsky.social Latest News, Fun Moments & Event updates from the DEF CON Community • Follow to stay updated!💛
#DEFCON33 Dates:🎉Aug 07 - Aug 10, 2025
Link of Links {
Resources🌍 •> https://linktr.ee/defconparrot
Updates🗞️ •> https://x.com/defconparrot
}
Hackread.com @hackread.bsky.social The official Bluesky account of the most reliable cybersecurity news platform brings exclusive dark web, tech, hacking news, and much more. Contact: admin@hackread.com.
Ryan M. Montgomery @0dayctf.bsky.social Pentester / Serial Entrepreneur / Child Safety Warrior — http://tryhackme.com/p/0day
Christian Folini @christian-folini.ch Web application security guy with a passion for OWASP's open source WAF projects and National Cyber Strategy.
Maintains "Swiss Cyber Security" starter pack and cherishes his small collection of medieval helmets.
Tom Lawrence @lawrencesystems.com ⚠Tech Enthusiast, Open Source Advocate, Content Creator, DM's are not for tech support but my forums are. ⚠
https://lawrencesystems.com/
David Oxley @oxley.io Interim head of information security at Anduril Industries. @CitizenLab.ca Research Fellow. Former federal agent. Fan of space, books, cyberpunk, sci-fi, espionage history, and storms. Personal account. 🇺🇸 🇺🇦 🇹🇼 #ThreatIntel
Storm chasing 📸 🌪️: @wxdox.com
Marcus Hutchins @malwaretech.com threads.com/@malwaretech
https://linkedin.com/in/malwaretech
https://marcushutchins.com
Runa Sandvik @runasand.bsky.social Founder of Granitt, securing journalists and at-risk people around the world. 
John Scott-Railton @jsrailton.bsky.social Chasing digital badness. Senior Researcher at Citizen Lab, but words here are mine.
Selena Larson @selenalarson.bsky.social loves dogs, sports, memes. she/her. podcaster. "bluesky's humblest resident nailfluencer 💅" - Jerry
my heart is in the west 🌵🌊 views mine.
Kevin Beaumont @doublepulsar.com cybersecurity weather man. scanning the horizons for cloudy cyber. Expert at nothing except computer rubbish. Anti-ransomware since 2015.
Marc Rogers @cjunky.bsky.social Ramblings of a Mad Englishman: Hacker @ BBC's Real Hustle & Mr Robot. Head of Sec @ DEF CON. Founder @ CTI-League, Ransomware Taskforce, w00w00, CDC NSF, (He/Him).
Also
Twitter @marcwrogers
Mastodon cj@chaos.social
Patrick Gray @patrick.risky.biz https://risky.biz/
John Hultquist @hultquist.bsky.social Mandiant Intelligence at Google. CYBERWARCON and SLEUTHCON founder. Johns Hopkins professor. Army vet.
Danny Moore @moore.bsky.social Cyber-warfare | PhD from KCL | Author of 'Offensive Cyber Operations' | Security @ Meta 
Bill Marczak @billmarczak.org senior researcher at @citizenlab.ca